Barcelona Weather in August
In August, Barcelona averages a high of 29°C (83°F) and a low of 21°C (70°F), from 56 years of daily records (1971–2026).
29°C
Average high
83°F
21°C
Average low
70°F
37°C
Record high
99°F · August 13, 2003
11°C
Record low
51°F · August 23, 1977
What August Is Like in Barcelona
- August in Barcelona has become 3.6°C (6.5°F) warmer on average: the 2012–2026 average against 1970–1989.
- 8 of the 10 warmest Augusts on record in Barcelona have come since 2012.
- August 2026 was the 2nd warmest August in 56 years of records, 3.2°C (5.7°F) above the long-run average.
- The coldest August reading, 11°C (51°F) on August 23, 1977, has not been matched in 49 years.
At least 1 mm of rain falls on 13% of August days, and the month averages 52 mm in total.
Warmest: 2003 (32.8°C)Latest: 2026 (31.9°C)10-year averageLong-run average (28.6°C)
Look Up a Day in August
See the weather in Barcelona on any August date, year by year.
Source: NOAA GHCN-Daily, Barcelona/Aeropuerto (1971–2026); Barcelona-El Raval (2008–2026). Averages cover 1971–2026. How we compute this